12869347 has 2 divisors, whose sum is σ = 12869348. Its totient is φ = 12869346.

The previous prime is 12869333. The next prime is 12869387. The reversal of 12869347 is 74396821.

It is an a-pointer prime, because the next prime (12869387) can be obtained adding 12869347 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (74396821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12869347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12869387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434673 + 6434674.

It is an arithmetic number, because the mean of its divisors is an integer number (6434674).

Almost surely, 2^12869347 is an apocalyptic number.

12869347 is a deficient number, since it is larger than the sum of its proper divisors (1).

12869347 is an equidigital number, since it uses as much as digits as its factorization.

12869347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 12869347 is about 3587.3872107705. The cubic root of 12869347 is about 234.3430998243.

The spelling of 12869347 in words is "twelve million, eight hundred sixty-nine thousand, three hundred forty-seven".